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CSE :: Database Systems

  1. Related fields in a data base are grouped to form

  2. A.
    data file
    B.
    data record
    C.
    menu
    D.
    bank
    E.
    None of the above

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  3. A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa.

  4. A.
    One-to-one relationship
    B.
    One-to-many relationship
    C.
    Many-to-one relationship
    D.
    Many-to-many relationship
    E.
    None of the above

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  5. In SQL, the _____ command is used to recompile a view

  6. A.
    COMPILE VIEW
    B.
    DEFINE VIEW
    C.
    CREATE VIEW
    D.
    ALTER VIEW
    E.
    None of the above

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  7. A list in alphabetical order

  8. A.
    is in descending order
    B.
    is in ascending order
    C.
    is the result of a sort operation
    D.
    both (b) and (c)
    E.
    None of the above

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  9. If a piece of data is stored in two places in the database, then

  10. A.
    storage space is wasted
    B.
    changing the data is one spot will cause data inconsistency
    C.
    it can be more easily accessed
    D.
    both (a) and (b)
    E.
    None of the above

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  11. A data dictionary is a special file that contains

  12. A.
    the names of all fields in all files
    B.
    the data types of all fields in all files
    C.
    the widths of all fields in all files
    D.
    All of the above
    E.
    None of the above

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  13. A file that is organized in uniform format is formally referred to as a _____ or a database file.

  14. A.
    Document
    B.
    Database
    C.
    Record
    D.
    Structured data file
    E.
    None of the above

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  15. A form can be used to

  16. A.
    modify records
    B.
    delete records
    C.
    format printed output
    D.
    All of the above
    E.
    None of the above

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  17. Which language has recently become the de-facto standard for interfacing application programs with relational database system?

  18. A.
    Oracle
    B.
    SQL
    C.
    dBASE
    D.
    4GL
    E.
    None of the above

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  19. In SQL, the CREATE TABLE is used

  20. A.
    to create a table, defining its columns, integrity constrains, and storage allocation
    B.
    to add a column/integrity constraint to a table
    C.
    to redefine a column
    D.
    to change a table's storage characteristics
    E.
    All of the above

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